#A540A4#A540A4

#A540A4 is a mid, vivid purple. Relative luminance 0.143; OKLCH L 54.7% C 0.179 H 328.1°. Best body text is #FFFFFF at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#A540A4
RGB	rgb(165, 64, 164)
HSL	hsl(301, 44%, 45%)
HSV	hsv(301, 61%, 65%)
CMYK	cmyk(0%, 61.2%, 0.6%, 35.3%)
CIE-LAB	lab(44.73, 54.49, -34.38)
CIE-LCH	lch(44.73, 64.43, 327.75°)
OKLab	oklab(54.66% 0.1522 -0.0948)
OKLCH	oklch(54.66% 0.179 328.1)
XYZ	xyz(24.0510, 14.3480, 36.6174)
Luminance	0.1435 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A540A4 #40A541

analogous

#7440A5 #A540A4 #A54072

triadic

#A540A4 #A4A540 #40A4A5

tetradic

#A540A4 #A57440 #40A541 #4072A5

square

#A540A4 #A57440 #40A541 #4072A5

split-complementary

#A540A4 #72A540 #40A574

monochromatic

#4D1E4C #792F78 #A540A4 #C261C1 #D38DD2

Accessibility & contrast

On white

5.43

#A540A4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#A540A4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A540A4

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A540A4	#FFFFFF	#000000	##FFFFFF
##A540A4	1.00	5.43	3.87	5.43
#FFFFFF	5.43	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3561A7

Deuteranopia (green-blind)

#586FA1

Tritanopia (blue-blind)

#AA4C6C

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #a540a4;
/* rgb */ color: rgb(165, 64, 164);
/* oklch */ color: oklch(54.7% 0.179 328.1);

Tailwind

colors: {
  custom: {
    50: '#c37cbf',
    500: '#a540a4',
    950: '#000000',
  },
}

SCSS

$custom: #a540a4;
$custom-light: #c37cbf;
$custom-dark: #000000;

JSON

{
  "hex": "#a540a4",
  "rgb": {
    "r": 165,
    "g": 64,
    "b": 164
  },
  "hsl": {
    "h": 300.594,
    "s": 44.105,
    "l": 44.902
  },
  "oklch": {
    "l": 0.5466,
    "c": 0.17928,
    "h": 328.1
  },
  "luminance": 0.14346
}

Semantic roles & 50–950 ramp

primary

#A540A4

secondary

#83BE84

accent

#D45554

background

#FCF7FB

surface

#F8EEF7

border

#D1C9D0

text

#130A12

muted

#827C81

Preview Lab

Preview with #A540A4

Body copy rendered with the generated semantic roles for this colour.

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